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101278 (1998 SS116)
Classification: Main-belt Asteroid          SPK-ID: 2101278
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2351306934895406 4.6038e-08  
a 2.572066669875537 1.2953e-08 au
q 1.967294850086369 1.2116e-07 au
i 4.282953914040767 5.8361e-06 deg
node 274.548515216855 5.54e-05 deg
peri 37.90998762753005 5.6609e-05 deg
M 133.4108894996568 1.3119e-05 deg
tp 2458442.144834423298
(2018-Nov-19.64483442)		 5.2275e-05 TDB
period 1506.682553136937
4.13		 1.1381e-05
3.116e-08		 d
yr
n .2389355337330179 1.8049e-09 deg/d
Q 3.176838489664706 1.5998e-08 au
   Orbit Determination Parameters
   # obs. used (total)      693  
   data-arc span      8860 days (24.26 yr)  
   first obs. used      1996-01-13  
   last obs. used      2020-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55903  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:01:26  

Additional Information
 Earth MOID = .955188 au 
 Jupiter MOID = 2.11749 au 
 T_jup = 3.386 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO359463  
diameter diameter 4.829 km 0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101278 (1998 SS116)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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